Functional layers

BillingLabs is structured into three key functional layers which are themselves broken down in three sub layers. These three key layers focus on different object categories: Event, Subscription and Document.
There is no centralized orchestration between the sublayers as it would limit the scaling capability. Instead each microservice knows exactly what is happening next as in a complete choreography.

Event management

Collection

Layer in charge of retrieving the event, the data, the consumption.

Normalization

Layer ensures first that the event received is in the correct format and unique.

Consolidation

Also called ‘routing’ or ‘guiding’, this layer routes the event toward a subscription.

Subscription management

Rating

Launching on a regular basis, the events are transformed into rated transactions.

Billing

This microservice is in charge of gathering all the rated transactions and applying subscription rules.

Taxing

The Article codes are defined in the system with their associated tax rate.

Document management

Dispatch

This microservice sorts the information and sends it to a batch of invoices.

Invoicing

Generate a JSON file that is the image of an invoice and especially all the summaries you need on the invoice.

Editing

Generate a pdf and forward the pdf file to a store or within an email.

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